Physics Week 9 Skills Check

Atomic Number of Iron

• 26

• 55

• Fe

Is the following Alpha or Beta Decay? 231/91 Pa ---> 227/89 Ac

• Alpha Decay

• Beta Decay

Number of Neutrons in Potassium

• 39

• 20

• 19

Gamma Decay

Mass Number of Chromium

• 4

• 51.996

• 24

Beta Decay

Is the following Alpha or Beta Decay? 52/26 Fe ---> 52/27 Co

• Alpha

• Beta

Mass Number of Barium

• 56

• 6

• 137.33